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Product Name：Polymer Insulator for Railway 
System Voltage：25kV
Application Place：Electric Railway
Product Structure：-
Insulation Coating：Polymer (FQ)

Polymer Insulator for Railway (Position)：
Type Rated Voltage
kV		 Rated Mechanical Load
kN		 Height
mm		 Minimum Creepage Distance
mm		 Lightning Full-wave Impulse Withstand Voltage
not less than
kV		 Power Frequency Withstand Voltage
not less than
kV		 Artifical Pollution Withstand Voltage
not less than
kV		 Altitude
not more than
m
Dry Wet Dust Density
(mg/cm2)		 1 2 Light Pollution Area Light Pollution Area
Salt Density
(mg/cm2)		 0.1 0.4
FQX2-25 25 120 700 1600 270 160 130   32 32 2000 1000
FQX2-25G 25 120 800 1700 310 190 150   32 4000 2000
FQD2-25 25 120 700 1600 270 160 130 32 32 2000 1000
FQD2-25G 25 120 800 1700 310 190 150   32 4000 2000
Polymer Insulator for Railway (Cross-arm)：
Type Lightning Full-wave Impulse Withstand Voltage
not less than
kV		 Power Frequency Withstand Voltage
not less than
kV		 Artifical Pollution Withstand Voltage
not less than
kV		 Mechanical Property
not less than
kN
Bending Load
kN		 Tensile Load Mechanical Failing Load
Dry Wet Dust Density
(mg/cm2):0.4mg/cm2
Salt Density:2.0mg/cm2		 Bending Tensile
FQB2-25/8 300 180 156 35 4.8 48 8 80
FQB2-25/8E
FQBZ2-25/8 270
FQBZ2-25/8E
 
Shanghai Electric Porcelain Works Co., Ltd
Add: No.729, Chengjiang Rd., Minhang Dist., Shanghai, P.R.China Zip:200241　  Email:sepw@sepw.com.cn  
 Tel：021-64343295    Fax：021-64345735   ICP: No.09053323-1   Web Designer:12EC.CN